The Mouse on the Moon is a novel by Irish author Leonard Wibberley. It was released in 1962 as the sequel to The Mouse That Roared and Beware of the Mouse. In it, the people of the Duchy of Grand Fenwick, a tiny isolated country in the Alps, attempt a space flight using wine as a propellant.[1] It satirizes the space race, Cold War and politics. In 1963 it was adapted into a film of the same name.[2]